Declaration and Access Control The object is created with new keyword At run-time None of these Depends on the code At Compile-time At run-time None of these Depends on the code At Compile-time ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }} Exception is thrown at runtime Derived BaseDerived Compilation Error Exception is thrown at runtime Derived BaseDerived Compilation Error ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.*; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.*; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A(); 1 and 2 3 and 4 1 and 3 2 and 4 1 and 2 3 and 4 1 and 3 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction? Declare the method with the keyword public and private. Declare the method with the keyword private. Declare the method with the keyword public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword protected. Declare the method with the keyword public and private. Declare the method with the keyword private. Declare the method with the keyword public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword protected. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }} abc Compilation clean but no output None of these xyz Compilation fails abc Compilation clean but no output None of these xyz Compilation fails ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Determine output:public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}} Compilation error. InsideDemo 10 Hello2 Hello2 InsideDemo 10 InsideDemo 10 Hello2 hello1 IllegalArgumentException is thrown at runtime. Compilation error. InsideDemo 10 Hello2 Hello2 InsideDemo 10 InsideDemo 10 Hello2 hello1 IllegalArgumentException is thrown at runtime. ANSWER DOWNLOAD EXAMIANS APP
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